die Theorie
Translation
theory, doctrine
Examples
Das ist in der Theorie einfach.
That is simple in theory.
Er hat eine neue Theorie entwickelt.
He developed a new theory.
Grammar Patterns
the theory of sth. die Theorie von et3 Einstein's theory is famous.
a theory about sth. eine Theorie über et4 She has a theory about the universe.
Similar Words
Synonyms: Hypothese (hypothesis), Konzept (concept); Antonyms: Praxis (practice)
Etymology
From Greek 'theōría' (contemplation, speculation). Cognate with the English word 'theory'.
Memory Tips
It's almost identical to the English word 'theory'. Just remember it's a feminine noun: die Theorie.